{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Subject.Race", "Treatment", "Treatment.Duration", "Treatment.Time_elapsed", "Subject.Population", "Combination.Drug", "Subject.Disorder", "Treatment.Dosage", "Treatment.Disorder", "Treatment.Drug", "Subject.Gender", "Effect", "Subject", "Subject.Age", "Treatment.Route"]}], "input": "Three patients receiving gold salt treatment for rheumatoid arthritis developed severe aplastic anemia."}
{"adverse event": [{"Subject.Race": "NAN", "Treatment": "gold salt", "Treatment.Duration": "NAN", "Treatment.Time_elapsed": "NAN", "Subject.Population": "Three", "Combination.Drug": "NAN", "Subject.Disorder": "NAN", "Treatment.Dosage": "NAN", "Treatment.Disorder": "rheumatoid arthritis", "Treatment.Drug": "gold salt", "Subject.Gender": "NAN", "Effect": "severe aplastic anemia", "Subject": "Three patients", "Subject.Age": "NAN", "Treatment.Route": "NAN"}]}